CN219477508U - A safety protection device for power grid cables - Google Patents

Abstract

The utility model discloses a power grid cable safety protection device in the electric power field, which comprises two semicircular pipe fittings, wherein the semicircular pipe fittings are hollow wall-clamping pipes, the two semicircular pipe fittings are matched to form a circular pipe shape, lugs are arranged at the matched positions, the lugs can be detachably connected, a plurality of wire outlets are arranged on the upper surface of the outer side of the semicircular pipe fittings, a key seat is arranged in the wire outlet, a touch switch is arranged on the key seat, springs are arranged on two sides of the touch switch and fixedly connected with the key seat, a trigger piece is arranged at one end of the spring, which is far away from the key seat, and is fixedly connected with two ends of the trigger piece, an insulating wire is arranged at one side of the trigger piece, which is far away from the spring, and extends out of the wire outlet of the semicircular pipe fittings, drainage grooves are arranged at two sides of the key seat, a control chip is arranged in the semicircular pipe fittings, the touch switch is electrically connected with the control chip, a wireless module is electrically connected with the control chip, and the control chip is electrically connected with a power supply. By adopting the technical scheme of the utility model, the probability of erosion of metal parts in the device by rainwater can be reduced.

Description

A safety protection device for grid cables

technical field

The utility model belongs to the field of electric power, in particular to a power grid cable safety protection device.

Background technique

Due to the imperfect design of anti-theft measures in the current domestic anti-theft protection devices for power cables, the functions provided cannot timely warn the power line patrol personnel, and irreparable accidents cannot be avoided, so they cannot be popularized.

In order to solve the above problems, Chinese patent announcement number CN201008085Y discloses a safety protection device for power grid cables. The utility model includes two semicircular pipe fittings. Two semi-circular pipe fittings cooperate to form a round pipe shape, and the fittings are provided with lugs and connected by bolts. The touch switch and the transmitting module are installed in the semi-circular pipe fittings. There are more than two touch switches in the semi-circular pipe fittings, which correspond to the touch switches. A spring is provided, and the other end of the spring is connected with an insulated wire, and the insulated wire protrudes out of the axial hole of the semicircular pipe, or out of the radial hole of the semicircular pipe.

The above power grid cable safety protection device is equipped with a spring so that when the insulated wire is disconnected or loose, the spring springs up, triggers the touch switch, and the transmitting module emits an alarm model to remind the line guards. However, if the device is in the wild for a long time, rain will flow along the insulation. Down the line, the spring is corroded, the spring is aged, the elastic force is reduced, and the touch switch cannot be triggered, resulting in a decrease in the service life of the device.

Utility model content

In order to solve the problem in the prior art that the device is easily eroded by rainwater and shorten its service life, the purpose of this utility model is to provide a safety protection device for power grid cables, which can reduce the probability of rainwater eroding the internal metal parts of the device.

In order to achieve the above object, the technical solution of the utility model is as follows: a power grid cable safety protection device, including two semicircular pipe fittings, the semicircular pipe fittings are hollow clamping wall pipes, and the two semicircular pipe fittings cooperate to form a round pipe shape, and there are protrusions at the mating part. Ears and lugs are detachably connected. There are several outlets on the outer surface of the semicircular pipe. There are button seats inside the outlets. There are touch switches on the button seats. Springs are arranged on both sides of the touch switches. The seat is fixedly connected, the end of the spring far away from the button seat is provided with a trigger piece, and the side of the trigger piece away from the spring is fixedly connected with an insulated wire. On the upper and lower surfaces, a control chip is arranged inside the semicircular pipe fitting, the touch switch is electrically connected to the control chip, the control chip is electrically connected to a wireless module, and the control chip is electrically connected to a power supply.

After adopting the above scheme, the following beneficial effects are achieved: the line guards can install the device on the utility pole or the iron tower, and fix it by tightening the bolts on the lugs by wrapping the two semicircular pipe pieces around the utility pole, and tightening the insulating wire , tied to the cable. When a thief cuts the cable or the cable is broken or loosened by natural disasters, the insulated wire will relax, so that the trigger piece connected to the insulated wire will be affected by the tension of the spring, hit the trigger switch, and the control chip will receive a signal that the switch is triggered , send an alarm signal to the maintenance system through the wireless module, and the line guards will receive the notification and go to the damaged site to deal with it. When the control chip is running, it will send a heartbeat signal to the maintenance system through the wireless module at regular intervals. When the device is damaged or out of power, the maintenance system will not receive the heartbeat signal for a long time, and will notify the line guards to go to the device. Check to avoid failure to call the police after the device is damaged, resulting in missed danger. In rainy days, the trigger piece can provide shelter for the spring and the touch switch, so that rainwater flows into the gutter along the trigger piece. Reduce the probability of the metal structure inside the device coming into contact with rainwater.

Further, a first waterproof and gas-permeable membrane is connected between the trigger piece and the key base.

Beneficial effect: the waterproof and breathable membrane can further block rainwater, reducing the probability that the internal metal structure of the device is exposed to rainwater.

Further, a glass window is provided on the outer surface of the semicircular pipe fitting, and an LED lamp is provided inside the semicircular pipe fitting, the LED lamp is close to the glass window, and the LED lamp is electrically connected to the control chip.

Beneficial effects: after the device sends out an alarm signal, the control chip will control the LED light to shine, and the light will be emitted through the glass window, which can warn the hackers and indicate the distress location of the line guards.

Further, a buzzer is provided inside the semicircular pipe fitting, and the buzzer is electrically connected to the control chip.

Beneficial effects: after the device sends out an alarm signal, the control chip will control the buzzer to send out an alarm, which can warn the thieves and prompt the line guards at the same time.

Further, an opening is provided on the outer side wall of the semicircular pipe, and the semicircular pipe is provided with a second waterproof and gas-permeable membrane for closing the opening, and the opening is close to the control chip.

Beneficial effects: the control chip will generate heat when it is running, and if there is no ventilation for a long time in the semicircular pipe, it will cause heat accumulation, aging electrical components, and reducing the service life of the device. Probability of overheating inside a semicircular fitting.

Further, a temperature sensor is provided inside the semicircular pipe fitting, and the temperature sensor is electrically connected to the control chip.

Beneficial effects: Long-term overloading of cables or aging of insulators may cause fires. When a fire occurs, the temperature sensor can detect the rise in external temperature, and the control chip will send a fire alarm to the maintenance system through the wireless module, and notify the line guards to deal with it immediately.

Further, a clasp is provided on the side of the trigger piece away from the spring, and the insulated wire is tied to the clasp.

Beneficial effects: when the insulating wire is broken, the line guard can use a new insulating wire to fasten on the buckle to replace part of the parts.

Further, a circle of water-blocking sills are provided outside the wire outlets.

Beneficial effect: in rainy days, since the device is fastened on the electric pole or the iron tower, the rainwater will flow into the outlet along the electric pole or the iron tower, and the probability of rainwater entering the outlet can be reduced by setting the water blocking sill.

Description of drawings

Fig. 1 is the top view of the utility model embodiment.

Fig. 2 is a structural schematic diagram of an embodiment of the utility model.

FIG. 3 is an enlarged schematic diagram of part A of FIG. 2 .

Fig. 4 is a front view of the utility model embodiment.

Figure 5 is a schematic diagram of Embodiment 1.

Detailed ways

The following is further described in detail through specific implementation methods:

The reference signs in the drawings of the specification include: semicircular pipe fitting 1, lug 2, outlet port 3, button seat 4, touch switch 5, spring 6, trigger piece 7, insulated wire 8, drainage groove 9, control chip 10, wireless Module 11, power supply 12, first waterproof and gas-permeable membrane 13, glass window 14, LED light 15, buzzer 16, second waterproof and gas-permeable membrane 17, temperature sensor 18, buckle 19, water blocking sill 20, cable 21.

Embodiment one

Embodiment is shown in accompanying drawing 1 to accompanying drawing 5 basically:

A power grid cable safety protection device, comprising two semicircular pipe fittings 1, the semicircular pipe fittings 1 are hollow clamping wall pipes, the two semicircular pipe fittings 1 cooperate to form a round pipe shape, lugs 2 are provided at the mating parts and are detachably connected by bolts, semicircular The outer upper surface of the pipe fitting 1 is provided with several outlets 3, the outlet 3 is provided with a button base 4, the button holder 4 is fixed to the inner side walls of the semicircular pipe fitting 1 with screws, and the button base 4 is bonded and fixed with a touch switch 5. Both sides of the touch switch 5 are provided with springs 6, and the springs 6 are welded and fixed with the key base 4, and the end of the spring 6 away from the key base 4 is welded and fixed with a trigger piece 7, and the side of the trigger piece 7 away from the spring 6 is tied with an insulated wire 8. The insulated wire 8 extends to the outside of the outlet 3, and the two sides of the key base 4 are provided with drainage grooves 9, the drainage grooves 9 are connected to the upper and lower surfaces of the outer side of the semicircular pipe fitting 1, and the inner screw of the semicircular pipe fitting 1 is fixed with a control chip 10, and the type of the control chip 10 is STC89C52RC, the touch switch 5 is electrically connected to the control chip 10 , the control chip 10 is electrically connected to the wireless module 11 , the signal of the wireless module 11 is NF-02-PA, and the control chip 10 is electrically connected to the power supply 12 .

The specific implementation process is as follows: the line guard can install the device on the utility pole or the iron tower, by enclosing the two semicircular pipe fittings 1 on the utility pole or the iron tower, tightening the bolts on the lugs 2, and tightening the insulated wire 8 , tied on the cable 21. When a thief cuts off the cable 21 or the cable 21 is broken or loosened by natural disasters, the insulated wire 8 will relax, so that the trigger piece 7 connected to the insulated wire 8 is affected by the tension of the spring 6, and impacts the trigger switch 5 and controls the chip. 10 receives the signal that the switch is triggered, and sends an alarm signal to the maintenance system through the wireless module 11, and the line guard will receive the notification and go to the damaged site for processing. When the control chip 10 is running, it will send a heartbeat signal to the maintenance system through the wireless module 11 every five minutes. Check at the device to avoid failure to call the police after the device is damaged, resulting in missed danger. In rainy days, the trigger piece 7 can provide a shield for the spring 6 and the touch switch 5, so that rainwater flows into the drainage groove 9 along the trigger piece 7. Reduce the probability of the metal structure inside the device coming into contact with rainwater.

Embodiment two

The difference from the above embodiments is that: a first waterproof and breathable membrane 13 is bonded and fixed between the trigger piece 7 and the key base 4 .

The specific implementation process is as follows: during heavy rain, a large amount of rainwater cannot be discharged only through the drainage groove 9, and may accumulate in the outlet 3. The first waterproof and breathable membrane 13 can further block the rainwater and reduce the probability of the metal structure inside the device being exposed to rainwater.

Embodiment three

The difference from the above embodiment is that: the outer side wall of the semicircular pipe 1 is provided with a glass window 14, and the inside of the semicircular pipe 1 is glued and fixed with an LED lamp 15, the model of the LED lamp 15 is E10TU, and the position of the LED lamp 15 is close to the glass window 14. The lamp 15 is electrically connected to the control chip 10 .

The specific implementation process is as follows: after the device sends an alarm signal, the control chip 10 will control the LED light 15 to shine, and the light will be emitted through the glass window 14, which can warn the thieves while indicating the location of the line guards in distress.

Embodiment four

The difference from the above embodiment is that a buzzer 16 is screwed inside the semicircular pipe 1 , the buzzer 16 is SFM-27, and the buzzer 16 is electrically connected to the control chip 10 .

The specific implementation process is as follows: after the device sends out an alarm signal, the control chip 10 will control the buzzer 16 to send out an alarm, which can warn the thieves while prompting the line guards to deal with the danger.

Embodiment five

The difference from the above embodiment is that the outer surface side wall of the semicircular pipe 1 is provided with an opening, the semicircular pipe 1 is provided with a second waterproof and breathable membrane 17 for closing the opening, and the second waterproof and breathable membrane 17 is bonded and fixed to the semicircular pipe 1. The opening is close to the control chip 10 .

The specific implementation process is as follows: the control chip 10 will generate heat when it is running, and the long-term lack of ventilation in the semicircular pipe 1 will cause heat accumulation and overheating, which will age the electrical components and reduce the service life of the device. Inside, the heat is taken away, reducing the probability of overheating inside the semicircular pipe fitting 1.

Embodiment six

The difference from the above-mentioned embodiment is that a temperature sensor 18 is fixed to the inner screw of the semicircular pipe part 1 , the model of the temperature sensor 18 is DS18B20, and the temperature sensor 18 is electrically connected to the control chip 10 .

The specific implementation process is as follows: the long-term overload of the cable 21 or the aging of the insulator may induce a fire. When a fire occurs, the temperature sensor 18 can detect the rise in the external temperature, and the control chip 10 will send a fire alarm to the maintenance system through the wireless module 11 to notify the wire guard Personnel immediately went to deal with it.

Embodiment seven

The difference from the above-mentioned embodiment is that a buckle 19 is welded and fixed on the side of the trigger piece 7 away from the spring 6 , and the insulated wire 8 is tied to the buckle 19 .

The specific implementation process is as follows: after the insulated wire 8 breaks, the line guard can use a new insulated wire 8 to fasten on the clasp 19 to replace some parts.

Embodiment Eight

The difference from the above-mentioned embodiments is that a circle of water blocking rim 20 is welded and fixed on the outer side of the wire outlet 3 .

The specific implementation process is as follows: in rainy days, since the device is fastened on the utility pole or the iron tower, the rainwater will flow into the outlet 3 along the utility pole or the iron tower, and by setting the water blocking ridge 20, the probability of rainwater entering the outlet 3 can be reduced .

What is described above is only an embodiment of the utility model, and the common knowledge such as the specific structure and characteristics known in the scheme is not described too much here, and those of ordinary skill in the art know all the technical fields of the utility model before the filing date or the priority date. ordinary technical knowledge, be able to know all the prior art in this field, and have the ability to apply conventional experimental methods before this date, those of ordinary skill in the art can improve and implement this application in combination with their own abilities under the inspiration given by this application Schemes, some typical known structures or known methods should not be obstacles for those of ordinary skill in the art to implement the present application. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the utility model, some deformations and improvements can also be made, and these should also be regarded as the protection scope of the utility model, and these will not affect the utility model. Effects of novel implementations and utility of patents. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.

Claims (8)

1. A power grid cable safety protection device, characterized in that: it includes two semi-circular pipes, the semi-circular pipes are hollow clamping wall pipes, the two semi-circular pipes cooperate to form a circular pipe, and lugs are provided at the mating place, and the lugs can be connected to each other. To disassemble the connection, there are several outlets on the outer surface of the semicircular pipe fittings. There is a button seat in the outlet. There is a touch switch on the button seat. There are springs on both sides of the touch switch. One end of the seat is provided with a trigger piece, and the side of the trigger piece away from the spring is fixedly connected with an insulated wire. There is a control chip, the touch switch is electrically connected to the control chip, the control chip is electrically connected to a wireless module, and the control chip is electrically connected to a power supply. 2 . The safety protection device for power grid cables according to claim 1 , wherein a first waterproof and gas-permeable membrane is connected between the trigger piece and the button base. 3 . 3. The power grid cable safety protection device according to claim 2, characterized in that: the outer side wall of the semicircular pipe is provided with a glass window, the semicircular pipe is provided with an LED light, the LED light is close to the glass window, and the LED and the control chip are electrically connected. connect. 4. The power grid cable safety protection device according to claim 3, wherein a buzzer is provided inside the semicircular pipe, and the buzzer is electrically connected to the control chip. 5. The power grid cable safety protection device according to claim 4, characterized in that: the outer surface side wall of the semicircular pipe is provided with an opening, the semicircular pipe is provided with a second waterproof and breathable membrane for closing the opening, and the opening is close to the control chip. 6. The power grid cable safety protection device according to claim 5, wherein a temperature sensor is provided inside the semicircular pipe, and the temperature sensor is electrically connected to the control chip. 7 . The safety protection device for power grid cables according to claim 6 , wherein a clasp is provided on the side of the trigger piece away from the spring, and the insulated wire is tied to the clasp. 7 . 8 . The safety protection device for power grid cables according to claim 7 , wherein a circle of water-blocking sills are provided outside the cable outlets. 9 .